The latest addition to Trump’s list came after Durbin accused the President of saying “things that were hate-filled, vile and racist” following a meeting at the White House to discuss immigration reform.

It was at this meeting that Trump allegedly referred to certain nations as “s***hole countries”.

Trump calling him Dicky was an attempt at infantilising him, much like a playground bully.

Marco Rubio was labelled 'Little Marco' after he took a shot at the size of Trump's hands

When Senator Marco Rubio took a shot at Trump for having small hands, Trump retaliated by labelling him “Little Marco”, the lightweight from Florida.

While many believed it was a dig at the Senator’s stature, it was in fact labelling him as a minority player in the presidential race.

Trump used the label for the very first time in February 2016, when he tweeted: “Little Marco Rubio, the lightweight no show Senator from Florida, is set to be the 'puppet' of the special interest Koch brothers. WATCH!”